GitHub Advisory DatabaseGHSA-W6GV-3R3V-GWGJkeycloak-core vulnerable to timing attacks against JWS token verification
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
73.5%
Red Hat Keycloak before version 2.5.1 has an implementation of HMAC verification for JWS tokens that uses a method that runs in non-constant time, potentially leaving the application vulnerable to timing attacks.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| org.keycloak | keycloak-core | * | cpe:2.3:a:org.keycloak:keycloak-core:*:*:*:*:*:*:*:* |
References
rhn.redhat.com/errata/RHSA-2017-0876.html
access.redhat.com/errata/RHSA-2017:0872
access.redhat.com/errata/RHSA-2017:0873
bugzilla.redhat.com/show_bug.cgi?id=1412376
github.com/advisories/GHSA-w6gv-3r3v-gwgj
nvd.nist.gov/vuln/detail/CVE-2017-2585
web.archive.org/web/20170420113802/www.securitytracker.com/id/1038180
web.archive.org/web/20200227175650/www.securityfocus.com/bid/97393
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
73.5%